When Trump Posts, Stocks Take a Ride

Some stocks go up, others go down. It all depends on what he says.

Tesla

• Boost from Trump's endorsement
• March: Trump showcased Tesla at the White House
• Stock jump: From $259.16 to $309.30 by August 5
• Elon Musk's fortune: Grew by $20 billion in one day

Boeing

• Hurt by Trump's tweets
• 2016: Trump tweeted about Air Force One costs
• Stock drop: 2% decrease, about $1 billion in value
• Current stock price: $225.20 as of August 5

Pfizer

• Ups and downs due to Trump
• 2018: Trump criticized drug prices
• Stock drop: 1.5%
• 2020: Trump praised COVID vaccines
• Stock increase: 5%
• Current stock price: $24.76 as of August 5

American Eagle

• Boost from Trump's post
• August 5: Trump posted about their ad campaign
• Stock increase: 20%
• Stock jump: From $10.80 to $12.23
• Market cap increase: $150 million

Market Impact

• April: Trump told people to buy his own company's stock
• Stock increase: 22%
• Trust gain: $415 million
• Tariff announcements: Erased $5.4 trillion from the S&P 500 in April 2025

Investigation

• Possible insider information: Lawmakers have asked for an investigation
• Trump's allies: Rep. Marjorie Taylor Greene has been buying stocks around the same time as Trump's posts